[LTP] [PATCH 21/33] lapi/keyctl.h: Add fallback definitions for public key ops

[Andrea Cervesato <andrea.cervesato@suse.de>]

From: Andrea Cervesato <andrea.cervesato@suse.com>

Add fallback definitions for KEYCTL_PKEY_QUERY, KEYCTL_PKEY_ENCRYPT,
KEYCTL_PKEY_DECRYPT, KEYCTL_PKEY_SIGN, KEYCTL_PKEY_VERIFY, and
KEYCTL_SUPPORTS_*, as well as fallback structs keyctl_pkey_query
and keyctl_pkey_params when built without keyutils.h or linux/keyctl.h.

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 include/lapi/keyctl.h | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/include/lapi/keyctl.h b/include/lapi/keyctl.h
index a056ddaad..8820c3ddb 100644
--- a/include/lapi/keyctl.h
+++ b/include/lapi/keyctl.h
@@ -33,6 +33,26 @@ struct keyctl_kdf_params {
 	uint32_t otherinfolen;
 	uint32_t __spare[8];
 };
+
+struct keyctl_pkey_query {
+	uint32_t	supported_ops;
+	uint32_t	key_size;
+	uint16_t	max_data_size;
+	uint16_t	max_sig_size;
+	uint16_t	max_enc_size;
+	uint16_t	max_dec_size;
+	uint32_t	__spare[10];
+};
+
+struct keyctl_pkey_params {
+	int32_t		key_id;
+	uint32_t	in_len;
+	union {
+		uint32_t	out_len;
+		uint32_t	in2_len;
+	};
+	uint32_t	__spare[7];
+};
 #endif
 
 static inline key_serial_t add_key(const char *type,
@@ -199,6 +219,33 @@ static inline key_serial_t keyctl_join_session_keyring(const char *name) {
 # define KEYCTL_MOVE_EXCL 0x00000001 /* do not displace from the to-keyring */
 #endif
 
+#ifndef KEYCTL_PKEY_QUERY
+# define KEYCTL_PKEY_QUERY 24
+#endif
+
+#ifndef KEYCTL_PKEY_ENCRYPT
+# define KEYCTL_PKEY_ENCRYPT 25
+#endif
+
+#ifndef KEYCTL_PKEY_DECRYPT
+# define KEYCTL_PKEY_DECRYPT 26
+#endif
+
+#ifndef KEYCTL_PKEY_SIGN
+# define KEYCTL_PKEY_SIGN 27
+#endif
+
+#ifndef KEYCTL_PKEY_VERIFY
+# define KEYCTL_PKEY_VERIFY 28
+#endif
+
+#ifndef KEYCTL_SUPPORTS_ENCRYPT
+# define KEYCTL_SUPPORTS_ENCRYPT 0x01
+# define KEYCTL_SUPPORTS_DECRYPT 0x02
+# define KEYCTL_SUPPORTS_SIGN    0x04
+# define KEYCTL_SUPPORTS_VERIFY  0x08
+#endif
+
 /* key permissions */
 #ifndef KEY_POS_VIEW
 # define KEY_POS_VIEW    0x01000000
@@ -259,6 +306,11 @@ static inline long safe_keyctl(const char *file, const int lineno,
 	case KEYCTL_GET_SECURITY:
 	case KEYCTL_GET_PERSISTENT:
 	case KEYCTL_DH_COMPUTE:
+	case KEYCTL_PKEY_QUERY:
+	case KEYCTL_PKEY_ENCRYPT:
+	case KEYCTL_PKEY_DECRYPT:
+	case KEYCTL_PKEY_SIGN:
+	case KEYCTL_PKEY_VERIFY:
 		if (rval < 0)
 			failure = 1;
 		break;

-- 
2.51.0


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